---
# Copyright 2024, BBC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

- name: "Gather cluster status"
  command: "rabbitmqctl cluster_status --formatter json"
  register: _cluster_status
  changed_when: False
  tags:
    - rabbitmq-upgrade

- name: "Only enable feature flags if all cluster members are up and stable"
  block:
    - name: "Check for disabled RabbitMQ feature flags"
      shell: "rabbitmqctl list_feature_flags | grep disabled"
      args:
        executable: /bin/bash
      register: _feature_flags
      changed_when: False
      failed_when: False

    # NOTE: changed_when required despite the above check because 'unstable'
    # feature flags will remain disabled each time this runs
    - name: "Enable all RabbitMQ feature flags"
      command: "rabbitmqctl enable_feature_flag all"
      changed_when: False
      when:
        - (_feature_flags.stdout_lines | length) > 0
  when:
    - ((_cluster_status.stdout | from_json)['running_nodes'] | length) == (groups[rabbitmq_host_group] | length)
    - ((_cluster_status.stdout | from_json)['alarms'] | length) == 0
    - ((_cluster_status.stdout | from_json)['partitions'] | length) == 0
  tags:
    - rabbitmq-upgrade